Open Source Developer
Seal Security
Software Engineering
Tel Aviv-Yafo, Israel · Tel Aviv District, Israel
Posted on Jul 2, 2025
Seal Security is a rapidly growing cybersecurity startup. We help customers save developer hours and headaches while reducing both software supply-chain risk and organizational friction- by making the process of remediating open-source vulnerabilities easier and more efficient with fully compatible, security-patched versions of the libraries our customers are using.
We are backed by top-tier venture capital firms, guided by industry-leading cybersecurity and go-to-market experts, and have exploded out of stealth mode with numerous Fortune 500 customers.
Join Our Growing Open Source Team
We’re looking for a driven and curious individual with a basic security background to to join our Open Source team. In this role, you'll contribute directly to our core technology and help shape the future of our platform.
This position offers a unique opportunity to grow with a fast-moving startup, take ownership of impactful projects, and advance your career. As a member of our R&D team, you'll be part of an ambitious and dynamic group. We leverage cutting-edge advancements in DevOps and LLMs and have developed an automated pipeline for security patches, addressing a significant gap in the open source remediation domain.
Are you up for the challenge?
Responsibilities:
We are backed by top-tier venture capital firms, guided by industry-leading cybersecurity and go-to-market experts, and have exploded out of stealth mode with numerous Fortune 500 customers.
Join Our Growing Open Source Team
We’re looking for a driven and curious individual with a basic security background to to join our Open Source team. In this role, you'll contribute directly to our core technology and help shape the future of our platform.
This position offers a unique opportunity to grow with a fast-moving startup, take ownership of impactful projects, and advance your career. As a member of our R&D team, you'll be part of an ambitious and dynamic group. We leverage cutting-edge advancements in DevOps and LLMs and have developed an automated pipeline for security patches, addressing a significant gap in the open source remediation domain.
Are you up for the challenge?
Responsibilities:
- Craft security patches for open source libraries used by Seal's clients.
- Design and implement tools to automate the patching process.
- Contribute to technological and architectural decisions.
- 3+ years of experience in backend engineering with various programming languages (e.g., Python, JavaScript, Java, C).
- A bachelor’s degree in computer science or a related field, or equivalent work experience and certifications.
- Ability to learn new software and technologies quickly.
- Advantage: experience in security research (e.g., vulnerabilities, exploits).